Search a number
-
+
242904769291 is a prime number
BaseRepresentation
bin1110001000111001000…
…0001010001100001011
3212012222110011210100201
43202032100022030023
512434432110104131
6303331112113031
723356256320642
oct3421620121413
9765873153321
10242904769291
1194019456418
123b0b0395777
1319ba1122222
14ba84386359
1564b9e8d761
hex388e40a30b

242904769291 has 2 divisors, whose sum is σ = 242904769292. Its totient is φ = 242904769290.

The previous prime is 242904769277. The next prime is 242904769313. The reversal of 242904769291 is 192967409242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242904769291 - 29 = 242904768779 is a prime.

It is not a weakly prime, because it can be changed into another prime (242904739291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121452384645 + 121452384646.

It is an arithmetic number, because the mean of its divisors is an integer number (121452384646).

Almost surely, 2242904769291 is an apocalyptic number.

242904769291 is a deficient number, since it is larger than the sum of its proper divisors (1).

242904769291 is an equidigital number, since it uses as much as digits as its factorization.

242904769291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 242904769291 in words is "two hundred forty-two billion, nine hundred four million, seven hundred sixty-nine thousand, two hundred ninety-one".